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Understanding Florida's Sinkhole Hazards: Hydrogeological Laboratory Study

机译：了解佛罗里达的污水池危害：水文地质实验室研究

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Sinkholes pose a hazard socially, economically and environmentally. In Florida, sinkhole-related insurance claims between 2006 and 2010 amounted to $1.4 billion. The scope of this study is to develop a sinkhole simulator (soil-groundwater physical testing) that can assess the qualitative behavior of the hydrogeological mechanism of sinkhole formation. The physical model setup incorporates an unconfined and confined aquifer system with constant head controls for each. Water level transducers are used to monitor variations in the water table during the sinkhole process. The study investigates effects of sinkhole affecting parameters such as soil type and compaction level. Scenarios involving adjustments in soil type and compaction are employed to collect data on water table drawdown and erosion characteristics, as well as the type of sinkhole formation, either cover-collapse or cover-subsidence. A strong relationship between soil compaction, cohesion and the type of sinkhole formed was observed.
机译：污水池在社会，经济和环境方面均构成危害。在佛罗里达州，2006年至2010年间与污水坑相关的保险索赔额为14亿美元。这项研究的范围是开发一个沉降池模拟器（土壤-地下水物理测试），该模拟器可以评估沉降池水文地质机制的定性行为。物理模型设置包含一个无限制且受限的含水层系统，每个系统都有恒定的扬程控制。水位传感器用于监测下沉过程中地下水位的变化。该研究调查了污水坑影响参数（如土壤类型和压实度）的影响。涉及对土壤类型和压实度进行调整的方案用于收集有关地下水位下降和侵蚀特征以及塌陷地层的类型（覆盖塌陷或覆盖陷落）的数据。观察到土壤压实度，内聚力和形成的沉陷类型之间有很强的关系。

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